If the area calculated form the plan plotted with measurements by an erroneous chain, accurate
area of the plan is
(A) Measured area × (Length of chain used/Nominal chain length)
(B) Measured area × (Nominal chain length/ Length of chain used)
(C) Measured area × (Nominal chain length/ Length of chain used)²
(D) Measured area × (Length of chain used/Nominal chain length)²